package com.example.springboot1.interceptors;

import com.example.springboot1.pojo.Result;
import com.example.springboot1.utils.JwtUtil;
import com.example.springboot1.utils.ThreadLocalUtil;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import java.util.Map;

@Component
public class LoginInterceptor implements HandlerInterceptor {

    public boolean preHandle(HttpServletRequest request, HttpServletResponse response,Object handler) throws Exception{
        String token =request.getHeader("Authorization");
        try {
            Map<String,Object> claims= JwtUtil.parseToken(token);

            ThreadLocalUtil.set(claims);
            //放行
            return true;
        } catch (Exception e) {
            response.setStatus(401);
            //失败
            return false;
        }
    }
//内存泄露
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        ThreadLocalUtil.remove();
    }
}
